```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>GitToDoc - 将Git仓库转化为结构化文档</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f9fafb;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .drop-capital::first-letter {
            float: left;
            font-size: 3.5em;
            line-height: 0.85;
            margin: 0.1em 0.15em 0 0;
            color: #6366f1;
            font-weight: bold;
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 md:py-32 px-4 md:px-0">
        <div class="container mx-auto max-w-5xl flex flex-col md:flex-row items-center">
            <div class="md:w-1/2 mb-10 md:mb-0 md:pr-10">
                <h1 class="text-4xl md:text-5xl font-bold mb-6 leading-tight">GitToDoc</h1>
                <h2 class="text-xl md:text-2xl font-medium mb-6 opacity-90">将Git仓库快速转化为结构化文档</h2>
                <p class="text-lg mb-8 opacity-90 leading-relaxed">为开发者和AI辅助工具提供清晰、易理解的代码库文档，加速项目理解与开发效率。</p>
                <div class="flex flex-col sm:flex-row gap-4">
                    <a href="https://www.gittodoc.com/" class="bg-white text-indigo-600 hover:bg-gray-100 font-bold py-3 px-6 rounded-lg transition duration-300 text-center">立即开始</a>
                    <a href="#features" class="border-2 border-white text-white hover:bg-white hover:bg-opacity-10 font-medium py-3 px-6 rounded-lg transition duration-300 text-center">了解更多</a>
                </div>
            </div>
            <div class="md:w-1/2">
                <img src="https://cdn.nlark.com/yuque/0/2025/png/21449790/1748779903891-cfc9d7a6-841f-4efd-a4dc-f26e0f6f04fe.png" alt="GitToDoc界面截图" class="rounded-xl shadow-2xl border-4 border-white border-opacity-20">
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section id="features" class="py-16 px-4 md:px-0">
        <div class="container mx-auto max-w-5xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold text-gray-900 mb-4">核心功能与特色</h2>
                <p class="text-gray-600 max-w-2xl mx-auto">GitToDoc提供了一系列强大功能，帮助开发者更好地管理和理解代码库</p>
            </div>
            
            <div class="grid md:grid-cols-2 gap-8">
                <div class="card-hover bg-white p-8 rounded-xl shadow-md">
                    <div class="feature-icon flex items-center justify-center mb-6 text-white">
                        <i class="fas fa-code-branch text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold text-gray-900 mb-3">自动文档转换</h3>
                    <p class="text-gray-600">只需提供Git仓库链接，系统会自动解析代码结构并生成格式清晰的文档，无需任何手动配置。</p>
                </div>
                
                <div class="card-hover bg-white p-8 rounded-xl shadow-md">
                    <div class="feature-icon flex items-center justify-center mb-6 text-white">
                        <i class="fas fa-robot text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold text-gray-900 mb-3">AI工具优化</h3>
                    <p class="text-gray-600">专为AI编码工具（如Cursor）优化，生成的文档能帮助AI更好地理解代码结构和上下文关系。</p>
                </div>
                
                <div class="card-hover bg-white p-8 rounded-xl shadow-md">
                    <div class="feature-icon flex items-center justify-center mb-6 text-white">
                        <i class="fas fa-project-diagram text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold text-gray-900 mb-3">多框架支持</h3>
                    <p class="text-gray-600">支持FastAPI、Flask等多种主流开发框架，自动识别项目结构并生成对应的文档模板。</p>
                </div>
                
                <div class="card-hover bg-white p-8 rounded-xl shadow-md">
                    <div class="feature-icon flex items-center justify-center mb-6 text-white">
                        <i class="fas fa-bolt text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold text-gray-900 mb-3">快速索引</h3>
                    <p class="text-gray-600">内置智能索引系统，可以快速定位代码中的关键部分，提高代码审查和理解的效率。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- How It Works Section -->
    <section class="py-16 px-4 md:px-0 bg-gray-50">
        <div class="container mx-auto max-w-5xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold text-gray-900 mb-4">工作原理</h2>
                <p class="text-gray-600 max-w-2xl mx-auto">GitToDoc通过先进的技术解析您的代码库，生成易于理解的文档结构</p>
            </div>
            
            <div class="mermaid">
                graph TD
                    A[Git仓库] --> B[代码结构解析]
                    B --> C[注释提取]
                    B --> D[依赖关系分析]
                    C --> E[文档生成]
                    D --> E
                    E --> F[结构化文档]
                    F --> G[AI工具集成]
            </div>
            
            <div class="mt-12 grid md:grid-cols-3 gap-8">
                <div class="text-center">
                    <div class="w-16 h-16 bg-indigo-100 rounded-xl flex items-center justify-center mx-auto mb-4">
                        <i class="fas fa-code text-indigo-600 text-xl"></i>
                    </div>
                    <h3 class="font-bold text-lg mb-2">代码解析</h3>
                    <p class="text-gray-600">深度解析代码结构和依赖关系</p>
                </div>
                <div class="text-center">
                    <div class="w-16 h-16 bg-indigo-100 rounded-xl flex items-center justify-center mx-auto mb-4">
                        <i class="fas fa-file-alt text-indigo-600 text-xl"></i>
                    </div>
                    <h3 class="font-bold text-lg mb-2">文档生成</h3>
                    <p class="text-gray-600">自动转化为结构化文档</p>
                </div>
                <div class="text-center">
                    <div class="w-16 h-16 bg-indigo-100 rounded-xl flex items-center justify-center mx-auto mb-4">
                        <i class="fas fa-brain text-indigo-600 text-xl"></i>
                    </div>
                    <h3 class="font-bold text-lg mb-2">AI集成</h3>
                    <p class="text-gray-600">优化AI工具对代码的理解</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Use Cases Section -->
    <section class="py-16 px-4 md:px-0">
        <div class="container mx-auto max-w-5xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold text-gray-900 mb-4">适用场景</h2>
                <p class="text-gray-600 max-w-2xl mx-auto">GitToDoc在多种开发场景下都能发挥重要作用</p>
            </div>
            
            <div class="grid gap-8 md:grid-cols-3">
                <div class="card-hover bg-white p-6 rounded-xl shadow-md border-t-4 border-indigo-500">
                    <i class="fas fa-users text-indigo-600 text-2xl mb-4"></i>
                    <h3 class="font-bold text-xl mb-3">团队协作</h3>
                    <p class="text-gray-600">帮助新成员快速上手项目，减少团队知识传递成本，提高协作效率。</p>
                </div>
                
                <div class="card-hover bg-white p-6 rounded-xl shadow-md border-t-4 border-purple-500">
                    <i class="fas fa-laptop-code text-purple-600 text-2xl mb-4"></i>
                    <h3 class="font-bold text-xl mb-3">AI辅助开发</h3>
                    <p class="text-gray-600">为Cursor等AI编程工具提供结构化文档，增强AI对代码的理解能力。</p>
                </div>
                
                <div class="card-hover bg-white p-6 rounded-xl shadow-md border-t-4 border-blue-500">
                    <i class="fas fa-book-open text-blue-600 text-2xl mb-4"></i>
                    <h3 class="font-bold text-xl mb-3">开源项目</h3>
                    <p class="text-gray-600">为开源项目提供清晰的文档入口，降低贡献者参与门槛。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Quick Start Section -->
    <section class="py-16 px-4 md:px-0 bg-gray-900 text-white">
        <div class="container mx-auto max-w-5xl">
            <div class="text-center mb-12">
                <h2 class="text-3xl font-bold mb-4">快速入门指南</h2>
                <p class="text-gray-300 max-w-2xl mx-auto">只需简单几步，即可将您的Git仓库转化为结构化文档</p>
            </div>
            
            <div class="grid md:grid-cols-2 gap-8 items-center">
                <div>
                    <ol class="space-y-6">
                        <li class="flex items-start">
                            <span class="flex-shrink-0 flex items-center justify-center w-8 h-8 rounded-full bg-indigo-500 text-white font-bold mr-4">1</span>
                            <span>访问<a href="https://www.gittodoc.com/" class="text-indigo-300 hover:text-white ml-1">GitToDoc官网</a></span>
                        </li>
                        <li class="flex items-start">
                            <span class="flex-shrink-0 flex items-center justify-center w-8 h-8 rounded-full bg-indigo-500 text-white font-bold mr-4">2</span>
                            <span>选择或输入要转换的Git仓库地址</span>
                        </li>
                        <li class="flex items-start">
                            <span class="flex-shrink-0 flex items-center justify-center w-8 h-8 rounded-full bg-indigo-500 text-white font-bold mr-4">3</span>
                            <span>点击"Create Docs"按钮开始转换</span>
                        </li>
                        <li class="flex items-start">
                            <span class="flex-shrink-0 flex items-center justify-center w-8 h-8 rounded-full bg-indigo-500 text-white font-bold mr-4">4</span>
                            <span>获取生成的文档链接</span>
                        </li>
                        <li class="flex items-start">
                            <span class="flex-shrink-0 flex items-center justify-center w-8 h-8 rounded-full bg-indigo-500 text-white font-bold mr-4">5</span>
                            <span>在Cursor配置中添加文档链接并重启</span>
                        </li>
                    </ol>
                    
                    <div class="mt-10 bg-gray-800 p-4 rounded-lg">
                        <h4 class="font-bold mb-2 text-indigo-300">Cursor配置示例:</h4>
                        <pre class="bg-gray-700 p-3 rounded text-sm overflow-x-auto"><code class="text-gray-300">{
  "gittodoc": {
    "docUrl": "你的GitToDoc文档链接"
  }
}</code></pre>
                    </div>
                </div>
                
                <div class="hidden md:block">
                    <img src="https://cdn.nlark.com/yuque/0/2025/png/21449790/1748779727072-946440e9-9e93-4cd8-aaf0-048e1c47d2c2.png" alt="Cursor配置示例" class="rounded-lg shadow-xl border border-gray-700">
                </div>
            </div>
        </div>
    </section>

    <!-- CTA Section -->
    <section class="py-20 px-4 md:px-0">
        <div class="container mx-auto max-w-3xl text-center">
            <h2 class="text-3xl font-bold text-gray-900 mb-6">准备好提升您的开发效率了吗？</h2>
            <p class="text-xl text-gray-600 mb-8">GitToDoc完全免费，无需注册，立即体验AI辅助开发的新方式</p>
            <a href="https://www.gittodoc.com/" class="inline-block bg-indigo-600 hover:bg-indigo-700 text-white font-bold py-4 px-8 rounded-lg transition duration-300 shadow-lg">开始使用 GitToDoc</a>
        </div>
    </section>

    <script>
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: true,
                htmlLabels: true,
                curve: 'basis'
            }
        });
    </script>
</body>
</html>
```